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annotate simtool/pnnprog.c @ 228:a93de68711b8

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original README is now README.old
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 14 Mar 2021 18:16:27 +0000
parents cd66e13eccf3
children
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1 /*
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2 * This module implements functions for admin programming of EF_PNN.
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3 */
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4
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5 #include <sys/types.h>
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6 #include <stdio.h>
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7 #include <stdlib.h>
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8 #include <string.h>
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9 #include <strings.h>
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10 #include "curfile.h"
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11
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12 static u_char *
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13 add_field(dp, bytes_avail, namearg, type)
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14 u_char *dp;
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15 char *namearg;
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16 unsigned bytes_avail, type;
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17 {
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18 u_char gsm7_buf[289];
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19 unsigned nsept, noct;
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20 int rc;
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21
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22 if (bytes_avail < 4) {
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23 fprintf(stderr,
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24 "error: PNN record is too short for name element\n");
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25 return(0);
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26 }
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27 rc = qstring_arg_to_gsm7(namearg, gsm7_buf, (bytes_avail-3) * 8 / 7);
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28 if (rc < 0)
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29 return(0);
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30 nsept = rc;
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31 gsm7_buf[nsept] = 0;
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32 noct = (nsept * 7 + 7) / 8;
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33 *dp++ = type;
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34 *dp++ = noct + 1;
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35 *dp++ = 0x80 | (nsept & 7);
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36 gsm7_pack(gsm7_buf, dp, noct);
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37 dp += noct;
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38 return dp;
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39 }
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40
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41 cmd_pnn_write(argc, argv)
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42 char **argv;
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43 {
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44 int rc;
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45 unsigned recno;
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46 u_char record[255], *dp, *endp;
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47
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48 rc = select_ef_pnn();
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49 if (rc < 0)
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50 return(rc);
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51 recno = strtoul(argv[1], 0, 0);
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52 if (recno < 1 || recno > curfile_record_count) {
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53 fprintf(stderr, "error: specified record number is invalid\n");
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54 return(-1);
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55 }
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56 dp = record;
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57 endp = record + curfile_record_len;
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58 dp = add_field(dp, endp - dp, argv[2], 0x43);
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59 if (!dp)
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60 return(-1);
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61 if (argv[3]) {
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62 dp = add_field(dp, endp - dp, argv[3], 0x45);
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63 if (!dp)
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64 return(-1);
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65 }
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66 while (dp < endp)
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67 *dp++ = 0xFF;
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68 return update_rec_op(recno, 0x04, record, curfile_record_len);
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69 }
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70
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71 cmd_pnn_erase(argc, argv)
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72 char **argv;
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73 {
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74 int rc;
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75 unsigned recno, startrec, endrec;
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76 u_char record[255];
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77
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78 rc = select_ef_pnn();
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79 if (rc < 0)
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80 return(rc);
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81 startrec = strtoul(argv[1], 0, 0);
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82 if (startrec < 1 || startrec > curfile_record_count) {
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83 fprintf(stderr,
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84 "error: specified starting record number is invalid\n");
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85 return(-1);
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86 }
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87 if (!argv[2])
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88 endrec = startrec;
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89 else if (!strcmp(argv[2], "end"))
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90 endrec = curfile_record_count;
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91 else {
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92 endrec = strtoul(argv[2], 0, 0);
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93 if (endrec < 1 || endrec > curfile_record_count) {
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94 fprintf(stderr,
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95 "error: specified final record number is invalid\n");
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96 return(-1);
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97 }
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98 if (startrec > endrec) {
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99 fprintf(stderr,
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100 "error: reverse record range specified\n");
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101 return(-1);
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102 }
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103 }
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104 memset(record, 0xFF, curfile_record_len);
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105 for (recno = startrec; recno <= endrec; recno++) {
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106 rc = update_rec_op(recno, 0x04, record, curfile_record_len);
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107 if (rc < 0)
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108 return(rc);
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109 }
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110 return(0);
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111 }